Mercurial > hg > orthanc
annotate Core/Compression/HierarchicalZipWriter.cpp @ 2161:7219cdce7bba
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 21 Nov 2016 09:19:53 +0100 |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "../PrecompiledHeaders.h" |
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34 #include "HierarchicalZipWriter.h" |
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35 |
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36 #include "../Toolbox.h" |
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37 #include "../OrthancException.h" |
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38 |
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39 #include <boost/lexical_cast.hpp> |
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40 |
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41 namespace Orthanc |
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42 { |
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43 std::string HierarchicalZipWriter::Index::KeepAlphanumeric(const std::string& source) |
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44 { |
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45 std::string result; |
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46 |
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47 bool lastSpace = false; |
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48 |
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49 result.reserve(source.size()); |
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50 for (size_t i = 0; i < source.size(); i++) |
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51 { |
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52 char c = source[i]; |
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53 if (c == '^') |
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54 c = ' '; |
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55 |
1334 | 56 if (c <= 127 && |
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57 c >= 0) |
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58 { |
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59 if (isspace(c)) |
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60 { |
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61 if (!lastSpace) |
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62 { |
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63 lastSpace = true; |
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64 result.push_back(' '); |
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65 } |
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66 } |
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67 else if (isalnum(c) || |
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68 c == '.' || |
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69 c == '_') |
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70 { |
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71 result.push_back(c); |
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72 lastSpace = false; |
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73 } |
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74 } |
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75 } |
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76 |
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77 return Toolbox::StripSpaces(result); |
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78 } |
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79 |
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80 std::string HierarchicalZipWriter::Index::GetCurrentDirectoryPath() const |
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81 { |
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82 std::string result; |
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83 |
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84 Stack::const_iterator it = stack_.begin(); |
656 | 85 ++it; // Skip the root node (to avoid absolute paths) |
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86 |
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87 while (it != stack_.end()) |
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88 { |
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89 result += (*it)->name_ + "/"; |
656 | 90 ++it; |
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91 } |
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92 |
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93 return result; |
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94 } |
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95 |
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96 std::string HierarchicalZipWriter::Index::EnsureUniqueFilename(const char* filename) |
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97 { |
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98 std::string standardized = KeepAlphanumeric(filename); |
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99 |
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100 Directory& d = *stack_.back(); |
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101 Directory::Content::iterator it = d.content_.find(standardized); |
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102 |
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103 if (it == d.content_.end()) |
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104 { |
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105 d.content_[standardized] = 1; |
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106 return standardized; |
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107 } |
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108 else |
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109 { |
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110 it->second++; |
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111 return standardized + "-" + boost::lexical_cast<std::string>(it->second); |
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112 } |
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113 } |
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114 |
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115 HierarchicalZipWriter::Index::Index() |
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116 { |
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117 stack_.push_back(new Directory); |
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118 } |
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119 |
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120 HierarchicalZipWriter::Index::~Index() |
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121 { |
656 | 122 for (Stack::iterator it = stack_.begin(); it != stack_.end(); ++it) |
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123 { |
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124 delete *it; |
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125 } |
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126 } |
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127 |
249 | 128 std::string HierarchicalZipWriter::Index::OpenFile(const char* name) |
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129 { |
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130 return GetCurrentDirectoryPath() + EnsureUniqueFilename(name); |
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131 } |
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132 |
249 | 133 void HierarchicalZipWriter::Index::OpenDirectory(const char* name) |
247
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134 { |
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135 std::string d = EnsureUniqueFilename(name); |
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136 |
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137 // Push the new directory onto the stack |
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138 stack_.push_back(new Directory); |
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139 stack_.back()->name_ = d; |
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140 } |
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141 |
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142 void HierarchicalZipWriter::Index::CloseDirectory() |
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143 { |
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144 if (IsRoot()) |
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145 { |
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146 // Cannot close the root node |
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147 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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148 } |
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149 |
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150 delete stack_.back(); |
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151 stack_.pop_back(); |
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152 } |
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153 |
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154 |
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155 HierarchicalZipWriter::HierarchicalZipWriter(const char* path) |
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156 { |
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157 writer_.SetOutputPath(path); |
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158 writer_.Open(); |
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159 } |
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160 |
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161 HierarchicalZipWriter::~HierarchicalZipWriter() |
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162 { |
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163 writer_.Close(); |
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164 } |
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165 |
249 | 166 void HierarchicalZipWriter::OpenFile(const char* name) |
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167 { |
249 | 168 std::string p = indexer_.OpenFile(name); |
169 writer_.OpenFile(p.c_str()); | |
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170 } |
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171 |
249 | 172 void HierarchicalZipWriter::OpenDirectory(const char* name) |
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173 { |
249 | 174 indexer_.OpenDirectory(name); |
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175 } |
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176 |
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177 void HierarchicalZipWriter::CloseDirectory() |
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178 { |
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179 indexer_.CloseDirectory(); |
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180 } |
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181 } |